code: def _getActiveOrders(self):
      orders = self.getBroker().getActiveOrders()
      buy = [o for o in orders if o.isBuy()]
      sell = [o for o in orders if o.isSell()]
      return buy, sell
  
file_path: pyalgotrade/samples/bccharts_example_2.py
imports: from pyalgotrade import bar
  from pyalgotrade import strategy
  from pyalgotrade import plotter
  from pyalgotrade.technical import vwap
  from pyalgotrade.barfeed import csvfeed
  from pyalgotrade.bitstamp import broker
  from pyalgotrade import broker
label_desc: Use image node_id 2 for calling the VWAPMomentum obj's underlying member method code with example usage: obj._getActiveOrders() and returns: buy,  sell